Home / 320,946.86-442,913.60-175,758.77

Finding the Fourth Proportional to 320,946.86, 442,913.60 and 175,758.77

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Solution

The fourth proportional to 320,946.86, 442,913.60 and 175,758.77 is: 242,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,946.86 : 442,913.60 = 175,758.77 : x
  2. Step 2: Convert to fraction form
    320,946.86/442,913.60 = 175,758.77/x
  3. Step 3: Cross multiply
    320,946.86x = 442,913.60 × 175,758.77
  4. Step 4: Simplify right side
    320,946.86x = 77,845,949,552.27
  5. Step 5: Solve for x
    x = 77,845,949,552.27/320,946.86
  6. Step 6: Final answer
    x = 242,550.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.